VERFAHREN ZUR HERSTELLUNG EINES ROHRFOERMIGEN SCHICHTKOERPERS ZUR VERSTAERKUNG EINES AUS MEHREREN BESTANDSTEILEN ZUSAMMENGESETZTEN TEILS UND DANACH HERGESTELLTES TEIL.

摘要

The structure is produced by means of a tubular braid of which the wall is folded over to form corrugations or wrinkles which constitute layers of fibrous material, superposed in axial direction, each layer extending from the inside surface to the outside surface of the structure.